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Product Detailed Parameters
- Description：CURRENT LIMIT LOAD SWITCH PLUS L
- Series：*
- Mfr：Skyworks Solutions Inc.
- Package：Tape & Reel (TR),Tape & Reel (TR)
- Switch Type：-
- Number of Outputs：-
- Ratio - Input:Output：-
- Output Configuration：-
- Output Type：-
- Interface：-
- Voltage - Load：-
- Voltage - Supply (Vcc/Vdd)：-
- Current - Output (Max)：-
- Rds On (Typ)：-
- Input Type：-
- Features：-
- Fault Protection：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
- Grade：-
- Qualification：-
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Overview
The AAT4702IXS-T1 is a SmartSwitch device integrating a high-side P-channel MOSFET load switch with a nanopower low dropout (LDO) linear voltage regulator. It operates within an input voltage range of 2.4V to 5.5V, supporting 2.5V, 3V, and 5V systems. The load switch features a default current limit of 150mA, programmable up to 1A via an external resistor, with a typical on-resistance of 270mΩ. The integrated LDO provides a regulated 1.8V output for loads up to 100mA. A fault flag alerts the system to over-current events after a 5ms blanking time.
Feature Summary
- Integrates a high-side P-channel MOSFET load switch with current limiting capabilities and an independent LDO regulator.
Applications
- Load current protected applications requiring system power supply
- 2.5V, 3V, and 5V system architectures
Procurement Notes
Verify the specific suffix 'IXS' against the manufacturer's official datasheet to confirm package type and temperature grade. Ensure the ordering code matches the exact electrical specifications required for your design, as variations may exist within the product family. Cross-reference the RoHS status and lead times directly with authorized distributors or Skyworks Solutions Inc. before finalizing procurement plans.
Selection Notes
Select this component when a combined solution for load protection and local regulation is needed. The device is suitable for designs requiring a 1.8V rail derived from a higher input voltage while simultaneously protecting that rail from over-current conditions. Consider the programmable current limit feature if the default 150mA setting does not match the load requirements.
Part Context
The AAT4702 belongs to Skyworks' Application Specific Power MOSFET (ASPM) product family. It is designed to provide space-saving integration of power switching and regulation functions in a compact 8-pin FTDFN22 package. This family targets portable and embedded electronics where board real estate and power efficiency are critical constraints.
Replacement Considerations
Check Skyworks documentation for direct pin-compatible alternatives within the ASPM family. Verify that any substitute maintains the 2.4V-5.5V input range and 1.8V LDO output capability. Ensure the replacement supports the same FTDFN22 package and operating temperature range of -40°C to +85°C.
